DepSurf

Function: lookup_dcache

Status

Regular

• In 4.4: Selective Inline ⚠️

  struct dentry *lookup_dcache(struct qstr *name, struct dentry *dir, unsigned int flags, bool *need_lookup);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff81217c70)
  Location: fs/namei.c:1451
  Inline: True
  Direct callers:
    - fs/namei.c:__lookup_hash
    - fs/namei.c:path_openat
  

  Symbols:

  ffffffff81217c70-ffffffff81217d16: lookup_dcache (STB_LOCAL)
  

• In 4.8: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff8123d800)
  Location: fs/namei.c:1472
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
  

  Symbols:

  ffffffff8123d800-ffffffff8123d86e: lookup_dcache (STB_LOCAL)
  

• In 4.10: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff812505a0)
  Location: fs/namei.c:1468
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
  

  Symbols:

  ffffffff812505a0-ffffffff8125060e: lookup_dcache (STB_LOCAL)
  

• In 4.13: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff8125db80)
  Location: fs/namei.c:1480
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
  

  Symbols:

  ffffffff8125db80-ffffffff8125dbdf: lookup_dcache (STB_LOCAL)
  

• In 4.15: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff8127fed0)
  Location: fs/namei.c:1478
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
  

  Symbols:

  ffffffff8127fed0-ffffffff8127ff35: lookup_dcache (STB_LOCAL)
  

• In 4.18: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff812a6470)
  Location: fs/namei.c:1463
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff812a6470-ffffffff812a64d4: lookup_dcache (STB_LOCAL)
  

• In 5.0: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff812bb540)
  Location: fs/namei.c:1504
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff812bb540-ffffffff812bb5a4: lookup_dcache (STB_LOCAL)
  

• In 5.3: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff812d8140)
  Location: fs/namei.c:1502
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff812d8140-ffffffff812d81a6: lookup_dcache (STB_LOCAL)
  

• In 5.4: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff812e9cb0)
  Location: fs/namei.c:1497
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff812e9cb0-ffffffff812e9d16: lookup_dcache (STB_LOCAL)
  

• In 5.8: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff81321ca0)
  Location: fs/namei.c:1403
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff81321ca0-ffffffff81321d06: lookup_dcache (STB_LOCAL)
  

• In 5.11: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff8132d260)
  Location: fs/namei.c:1403
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff8132d260-ffffffff8132d2c6: lookup_dcache (STB_LOCAL)
  

• In 5.13: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff81332d50)
  Location: fs/namei.c:1488
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff81332d50-ffffffff81332db6: lookup_dcache (STB_LOCAL)
  

• In 5.15: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff813804e0)
  Location: fs/namei.c:1516
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff813804e0-ffffffff81380546: lookup_dcache (STB_LOCAL)
  

• In 5.19: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff81400570)
  Location: fs/namei.c:1562
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff81400570-ffffffff814005de: lookup_dcache (STB_LOCAL)
  

• In 6.2: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff8148a5e0)
  Location: fs/namei.c:1559
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff8148a5e0-ffffffff8148a64e: lookup_dcache (STB_LOCAL)
  

• In 6.5: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff814bfe20)
  Location: fs/namei.c:1562
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:lookup_one_qstr_excl
  

  Symbols:

  ffffffff814bfe20-ffffffff814bfe8e: lookup_dcache (STB_LOCAL)
  

• In 6.8: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff814f2340)
  Location: fs/namei.c:1565
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:lookup_one_qstr_excl
  

  Symbols:

  ffffffff814f2340-ffffffff814f23ae: lookup_dcache (STB_LOCAL)
  

Arch

• In arm64: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffff8000103931c0)
  Location: fs/namei.c:1497
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffff8000103931c0-ffff800010393250: lookup_dcache (STB_LOCAL)
  

• In armhf: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (c057a2a0)
  Location: fs/namei.c:1497
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  c057a2a0-c057a31c: lookup_dcache (STB_LOCAL)
  

• In ppc64el: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (c00000000048c8e0)
  Location: fs/namei.c:1497
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  c00000000048c8e0-c00000000048c9b0: lookup_dcache (STB_LOCAL)
  

• In riscv64: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffe000262252)
  Location: fs/namei.c:1497
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffe000262252-ffffffe0002622c0: lookup_dcache (STB_LOCAL)
  

Flavor

• In aws: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff812e2290)
  Location: fs/namei.c:1497
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff812e2290-ffffffff812e22f6: lookup_dcache (STB_LOCAL)
  

• In azure: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff812d2ed0)
  Location: fs/namei.c:1497
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff812d2ed0-ffffffff812d2f36: lookup_dcache (STB_LOCAL)
  

• In gcp: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff812e00a0)
  Location: fs/namei.c:1497
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff812e00a0-ffffffff812e0106: lookup_dcache (STB_LOCAL)
  

• In lowlatency: ✅

  struct dentry *lookup_dcache(const struct qstr *name, struct dentry *dir, unsigned int flags);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/namei.c (ffffffff812f1900)
  Location: fs/namei.c:1497
  Inline: False
  Direct callers:
    - fs/namei.c:lookup_one_len_unlocked
    - fs/namei.c:lookup_one_len
    - fs/namei.c:try_lookup_one_len
    - fs/namei.c:__lookup_hash
  

  Symbols:

  ffffffff812f1900-ffffffff812f1966: lookup_dcache (STB_LOCAL)
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Param removed. bool *need_lookup
  • Param type changed. struct qstr *name ➡️ const struct qstr *name
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅